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3 years ago

10

In a survey, 600 people were asked whether they live in a city. If 120 people said they live in a city, what percent of people s

urveyed live in a city?

1 answer:

zmey [24]3 years ago

5 0

Answer:

20 %

Step-by-step explanation:

20% of people live in a city

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Write an expression that represents the height of a tree that begins at 10 feet and increases by 3 feet per year. Let t represen

mestny [16]

t represents number of years
initial height=10ft
Increases per year=3ft

Expression:-

$\\ \sf\longmapsto 10+3t$

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3 years ago

Describe how to decide if 94 is a prime number or composite number

algol [13]

94 is a composite number.

If 94 were a prime number, 94 would only have 2 factors, which are 1 and itself. Since 94 has another factor other than 1 and itself (which is 2), 94 is a composite number.

Hope this helps~

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Use Gauss's approach to find the following sums (do not use formulas). 1+3+5+7+...999

muminat

$S=1+3+5+\cdots+995+997+999$
$S=999+997+995+\cdots+5+3+1$
$\implies 2S=(1+999)+(3+997)+(5+995)+\cdots+(995+5)+(997+3)+(999+1)$

$2S=\underbrace{1000+1000+\cdots+1000+1000}_{500\text{ times}}$

(We are adding 500 instances of 1000 because that's how many odd numbers there are between 1 and 1000, inclusive.)

$2S=500\times1000=500000$
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4 years ago

How to create a triangle

Svetach [21]

A+b > c as in the side lengths

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Last week, a chocolate shop sold 7/12 pounds of white chocolate. It sold 2 1/5 times as much milk chocolate as white chocolate.

Maslowich

Answer:

5?

Step-by-step explanation:

i fell like it is 5 pounds I hope this is right..

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3 years ago